712112669 has 2 divisors, whose sum is σ = 712112670. Its totient is φ = 712112668.

The previous prime is 712112629. The next prime is 712112743. The reversal of 712112669 is 966211217.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 706868569 + 5244100 = 26587^2 + 2290^2 .

It is a cyclic number.

It is not a de Polignac number, because 712112669 - 2⁸ = 712112413 is a prime.

It is a super-2 number, since 2×712112669² = 1014208906700607122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (712112629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 356056334 + 356056335.

It is an arithmetic number, because the mean of its divisors is an integer number (356056335).

Almost surely, 2^712112669 is an apocalyptic number.

It is an amenable number.

712112669 is a deficient number, since it is larger than the sum of its proper divisors (1).

712112669 is an equidigital number, since it uses as much as digits as its factorization.

712112669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 35.

The square root of 712112669 is about 26685.4392693843. The cubic root of 712112669 is about 892.9961176032.

The spelling of 712112669 in words is "seven hundred twelve million, one hundred twelve thousand, six hundred sixty-nine".